<?php
/*
 * This version of the domain class from Sven Wagner is adapted to the Webhosting
 * Component for Joomla!. It is also adapted for checking domains with the tlds co.za and org.za.
 * The IDNA-Class was integrated by Peter Briest.
 * @package Webhosting Component
 * @author    Sven Wagener <wagener_at_indot_dot_de>, Jonas Brand <info_at_wh-com.de>, Peter Briest <peter_at_briest.de>
 * @copyright inDot media, Jonas Brand, Peter Briest
 * @license http://www.gnu.org/copyleft/gpl.html GNU/GPL
*/



    /**
    * Class for getting converted domain name
    */
    require_once( 'idna/idna_convert.class.php' );

class domain extends idna_convert {
    var $errnum = 0;
    var $domain = "";

    /*******************************
    * Initializing server variables
    * array(top level domain,whois_Server,not_found_string or MAX number of CHARS: MAXCHARS:n)
    **/
    var $servers=array(
    array("ac","whois.nic.ac","Available"),
    array("ac.cn","whois.cnnic.net.cn","no matching record"),
    array("ac.jp","whois.jprs.jp","No match"),
    array("ac.uk","whois.ja.net","No such domain"),
    array("ad.jp","whois.jprs.jp","No match"),
    array("adm.br","whois.nic.br","No match"), // limit
    array("adv.br","whois.nic.br","No match"), // limit
    array("aero","whois.aero","NOT FOUND"),
    array("ag","whois.nic.ag","NOT FOUND"),
    array("agr.br","whois.nic.br","No match"), // limit
    array("ah.cn","whois.cnnic.net.cn","no matching record"),
    #array("al","whois.ripe.net","No entries found"), // info: http://www.inima.al/Domains.html
    array("am","whois.amnic.net","No match"),
    array("am.br","whois.nic.br","No match"), // limit
    array("arq.br","whois.nic.br","No match"), // limit
    array("at","whois.nic.at","nothing found"),
    array("au","whois.aunic.net","No Data Found"), // limit
    array("art.br","whois.nic.br","No match"), // limit
    array("as","whois.nic.as","Domain Not Found"),
    array("asn.au","whois.aunic.net","No Data Found"),
    array("ato.br","whois.nic.br","No match"), // limit
    array("av.tr","whois.nic.tr","No match found"),
    array("az","whois.ripe.net","no entries found"),
    array("ba","whois.ripe.net","No match for"),
    array("bbs.tr","whois.nic.tr","No match found"),
    array("be","whois.geektools.com","FREE"),
    array("bel.tr","whois.nic.tr","No match found"),
    array("bg","whois.digsys.bg","does not exist"),
    array("bio.br","whois.nic.br","No match"), // limit
    array("biz","whois.biz","Not found"),
    array("biz.tr","whois.nic.tr","No match found"),
    array("bj.cn","whois.cnnic.net.cn","no matching record"),
    array("bmd.br","whois.nic.br","No match"), // limit
    array("br","whois.registro.br","No match"),
    array("by","whois.ripe.net","no entries found"),
    array("ca","whois.cira.ca","Status: AVAIL"),
    array("cc","whois.nic.cc","No match"),
    array("cd","whois.cd","No match"),
    array("ch","whois.nic.ch","We do not have an entry"),
    array("cim.br","whois.nic.br","No match"), // limit
    array("ck","whois.ck-nic.org.ck","No entries found"),
    array("cl","whois.nic.cl","no existe"),
    array("cn","whois.cnnic.net.cn","No entries found"),
    array("cng.br","whois.nic.br","No match"), // limit
    array("cnt.br","whois.nic.br","No match"), // limit
    array("com","whois.crsnic.net","No match"),
    array("com.au","whois.aunic.net","No Data Found"), // limit
    array("com.al","whois.ripe.net","no entries found"),
    array("com.br","whois.nic.br","No match"), // limit
    array("com.cn","whois.cnnic.net.cn","No entries found"),
    array("com.eg","whois.ripe.net","No entries found"),
    array("com.hk","whois.hknic.net.hk","No Match for"),
    array("com.mx","whois.nic.mx","Nombre del Dominio"),
    array("com.tr","whois.nic.tr","No match found"),
    array("com.ru","whois.ripn.ru","No entries found"),
    array("com.tw","whois.twnic.net","NO MATCH TIP"),
    array("conf.au","whois.aunic.net","No entries found"), // limit
    array("co.at","whois.nic.at","nothing found"),
    array("co.jp","whois.nic.ad.jp","No match"),
    array("co.uk","whois.nic.uk","No match for"),
    //array("co.za","co.za","No Matches"),
    array("cq.cn","whois.cnnic.net.cn","No entries found"),
    array("csiro.au","whois.aunic.net","No Data Found"), // limit
    array("cx","whois.nic.cx","No match"),
    array("cy","whois.ripe.net","no entries found"),
    array("cz","whois.nic.cz","No data found"),
    array("de","whois.denic.de","not found"),
    array("dr.tr","whois.nic.tr","No match found"),
    array("dk","whois.dk-hostmaster.dk","No entries found"),
    array("dz","whois.ripe.net","no entries found"),
    array("ecn.br","whois.nic.br","No match"), // limit
    array("ee","whois.eenet.ee","NOT FOUND"),
    // array("edu","whois.verisign-grs.net","No match"),
    array("edu","whois.crsnic.net","No match"),
    array("edu.au","whois.aunic.net","No Data Found"), // limit
    array("edu.br","whois.nic.br","No match"), // limit
    array("edu.tr","whois.nic.tr","No match found"),
    array("eg","whois.ripe.net","No entries found"),
    array("es","whois.ripe.net","No entries found"),
    array("esp.br","whois.nic.br","No match"), // limit
    array("etc.br","whois.nic.br","No match"), // limit
    array("eti.br","whois.nic.br","No match"), // limit
    array("eun.eg","whois.ripe.net","No entries found"),
    array("emu.id.au","whois.aunic.net","No Data Found"), // limit
    array("eng.br","whois.nic.br","No match"), // limit
    array("eu","whois.eu","Status: FREE"),
    array("far.br","whois.nic.br","No match"), // limit
    array("fi","whois.ripe.net","No entries found"),
    array("fj","whois.usp.ac.fj",""),
    array("fj.cn","whois.cnnic.net.cn","No entries found"),
    array("fm.br","whois.nic.br","No match"), // limit
    array("fnd.br","whois.nic.br","No match"), // limit
    array("fo","whois.ripe.net","no entries found"),
    array("fot.br","whois.nic.br","No match"), // limit
    array("fst.br","whois.nic.br","No match"), // limit
    array("fr","whois.nic.fr","No entries found"),
    array("gb","whois.ripe.net","No match for"),
    array("gb.com","whois.nomination.net","No match for"),
    array("gb.net","whois.nomination.net","No match for"),
    array("g12.br","whois.nic.br","No match"), // limit
    array("gd.cn","whois.cnnic.net.cn","No entries found"),
    array("ge","whois.ripe.net","no entries found"),
    array("gen.tr","whois.nic.tr","No match found"),
    array("ggf.br","whois.nic.br","No match"), // limit
    array("gl","whois.ripe.net","no entries found"),
    array("gr","whois.ripe.net","no entries found"),
    array("gr.jp","whois.nic.ad.jp","No match"),
    array("gs","whois.adamsnames.tc","is not registered"),
    array("gs.cn","whois.cnnic.net.cn","No entries found"),
    array("gov.au","whois.aunic.net","No Data Found"), // limit
    array("gov.br","whois.nic.br","No match"), // limit
    array("gov.cn","whois.cnnic.net.cn","No entries found"),
    array("gov.hk","whois.hknic.net.hk","No Match for"),
    array("gov.tr","whois.nic.tr","No match found"),
    array("gob.mx","whois.nic.mx","Nombre del Dominio"),
    array("gs","whois.adamsnames.tc","is not registered"),
    array("gz.cn","whois.cnnic.net.cn","No entries found"),
    array("gx.cn","whois.cnnic.net.cn","No entries found"),
    array("he.cn","whois.cnnic.net.cn","No entries found"),
    array("ha.cn","whois.cnnic.net.cn","No entries found"),
    array("hb.cn","whois.cnnic.net.cn","No entries found"),
    array("hi.cn","whois.cnnic.net.cn","No entries found"),
    array("hl.cn","whois.cnnic.net.cn","No entries found"),
    array("hn.cn","whois.cnnic.net.cn","No entries found"),
    array("hm","whois.registry.hm","(null)"),
    array("hk","whois.hknic.net.hk","No Match for"),
    array("hk.cn","whois.cnnic.net.cn","No entries found"),
    array("hu","whois.ripe.net","MAXCHARS:500"),
    array("id.au","whois.aunic.net","No Data Found"), // limit
    array("ie","whois.domainregistry.ie","no match"),
	array("in","whois.inregistry.net","NOT FOUND"),
    array("ind.br","whois.nic.br","No match"), // limit
    array("imb.br","whois.nic.br","No match"), // limit
    array("inf.br","whois.nic.br","No match"), // limit
    array("info","whois.afilias.info","NOT FOUND"),
    array("info.au","whois.aunic.net","No Data Found"), // limit
    array("info.tr","whois.nic.tr","No match found"),
    array("it","whois.nic.it","AVAILABLE"),
    array("idv.tw","whois.twnic.net","NO MATCH TIP"),
    array("int","whois.iana.org","not found"),
    array("is","whois.isnic.is","No entries found"),
    array("il","whois.isoc.org.il","No data was found"),
    array("jl.cn","whois.cnnic.net.cn","No entries found"),
    array("jor.br","whois.nic.br","No match"), // limit
    array("jp","whois.nic.ad.jp","No match"),
    array("js.cn","whois.cnnic.net.cn","No entries found"),
    array("jx.cn","whois.cnnic.net.cn","No entries found"),
    array("k12.tr","whois.nic.tr","No match found"),
    array("ke","whois.rg.net","No match for"),
    array("kr","whois.krnic.net","is not registered"),
    array("la","whois.nic.la","NO MATCH"),
    array("lel.br","whois.nic.br","No match"), // limit
    array("li","whois.nic.ch","We do not have an entry"),
    array("lk","whois.nic.lk","No domain registered"),
    array("ln.cn","whois.cnnic.net.cn","No entries found"),
    array("lt","ns.litnet.lt","No matches found"),
    array("lu","whois.dns.lu","No entries found"),
    array("lv","whois.ripe.net","no entries found"),
    array("ltd.uk","whois.nic.uk","No match for"),
    array("ma","whois.ripe.net","No entries found"),
    array("mat.br","whois.nic.br","No match"), // limit
    array("mc","whois.ripe.net","No entries found"),
    array("md","whois.ripe.net","No match for"),
    array("me.uk","whois.nic.uk","No match for"),
    array("med.br","whois.nic.br","No match"), // limit
    array("mil","whois.nic.mil","No match"),
    array("mil.br","whois.nic.br","No match"), // limit
    array("mil.tr","whois.nic.tr","No match found"),
    array("mk","whois.ripe.net","No match for"),
    array("mn","whois.nic.mn","Domain not found"),
    array("mo.cn","whois.cnnic.net.cn","No entries found"),
    array("ms","whois.adamsnames.tc","is not registered"),
    array("mt","whois.ripe.net","No Entries found"),
    array("mus.br","whois.nic.br","No match"), // limit
    array("mx","whois.nic.mx","Nombre del Dominio"),
    array("name","whois.nic.name","No match"),
    array("name.tr","whois.nic.tr","No match found"),
    array("ne.jp","whois.nic.ad.jp","No match"),
    array("net","whois.crsnic.net","No match"),
    array("net.au","whois.aunic.net","No Data Found"), // limit
    array("net.br","whois.nic.br","No match"), // limit
    array("net.cn","whois.cnnic.net.cn","No entries found"),
    array("net.eg","whois.ripe.net","No entries found"),
    array("net.hk","whois.hknic.net.hk","No Match for"),
    array("net.lu","whois.dns.lu","No entries found"),
    array("net.mx","whois.nic.mx","Nombre del Dominio"),
    array("net.uk","whois.nic.uk","No match for "),
    array("net.ru","whois.ripn.ru","No entries found"),
    array("net.tr","whois.nic.tr","No not found"),
    array("net.tw","whois.twnic.net","NO MATCH TIP"),
    array("nl","whois.domain-registry.nl","free"), // free or not only
    array("nm.cn","whois.cnnic.net.cn","No entries found"),
    array("no","whois.norid.no","no matches"),
    array("no.com","whois.nomination.net","No match for"),
    array("nom.br","whois.nic.br","No match"), // limit
    array("not.br","whois.nic.br","No match"), // limit
    array("ntr.br","whois.nic.br","No match"), // limit
    array("nu","whois.nic.nu","NO MATCH for"),
    array("nx.cn","whois.cnnic.net.cn","no matching record"),
    array("nz","whois.domainz.net.nz","Not Listed"),
    array("plc.uk","whois.nic.uk","No match for"),
    array("odo.br","whois.nic.br","No match"), // limit
    array("oop.br","whois.nic.br","No match"), // limit
    array("or.jp","whois.nic.ad.jp","No match"),
    array("or.at","whois.nic.at","nothing found"),
    array("org","whois.pir.org","NOT FOUND"),
    array("org.au","whois.aunic.net","No Data Found"), // limit
    array("org.br","whois.nic.br","No match"), // limit
    array("org.cn","whois.cnnic.net.cn","No entries found"),
    array("org.hk","whois.hknic.net.hk","No Match for"),
    array("org.lu","whois.dns.lu","No entries found"),
    array("org.ru","whois.ripn.ru","No entries found"),
    array("org.tr","whois.nic.tr","No match found"),
    array("org.tw","whois.twnic.net","NO MATCH TIP"),
    array("org.uk","whois.nic.uk","No match for"),
    // array("org.za","org.za","Domain not registered"),
    array("pk","whois.pknic.net","is not registered"),
    array("pl","whois.ripe.net","No information about"),
    array("pol.tr","whois.nic.tr","No match found"),
    array("pp.ru","whois.ripn.ru","No entries found"),
    array("ppg.br","whois.nic.br","No match"), // limit
    array("pro.br","whois.nic.br","No match"), // limit
    array("psi.br","whois.nic.br","No match"), // limit
    array("psc.br","whois.nic.br","No match"), // limit
    array("pt","whois.ripe.net","No match for"),
    array("qh.cn","whois.cnnic.net.cn","No entries found"),
    array("qsl.br","whois.nic.br","No match"), // limit
    array("rec.br","whois.nic.br","No match"), // limit
    array("ro","whois.ripe.net","No entries found"),
    array("ru","whois.ripn.ru","No entries found"),
    array("sc.cn","whois.cnnic.net.cn","No entries found"),
    array("sd.cn","whois.cnnic.net.cn","No entries found"),
    array("se","whois.nic-se.se","No data found"),
    array("se.com","whois.nomination.net","No match for"),
    array("se.net","whois.nomination.net","No match for"),
    array("sg","whois.nic.net.sg","NO entry found"),
    array("sh","whois.nic.sh","No match for"),
    array("sh.cn","whois.cnnic.net.cn","No entries found"),
    array("si","whois.arnes.si","No entries found"),
    array("sk","whois.ripe.net","no entries found"),
    array("slg.br","whois.nic.br","No match"), // limit
    array("sm","whois.ripe.net","no entries found"),
    array("sn.cn","whois.cnnic.net.cn","No entries found"),
    array("srv.br","whois.nic.br","No match"), // limit
    array("st","whois.nic.st","No entries found"),
    array("su","whois.ripe.net","No entries found"),
    array("sx.cn","whois.cnnic.net.cn","No entries found"),
    array("tc","whois.adamsnames.tc","is not registered"),
    array("tel.tr","whois.nic.tr","No match found"),
    array("th","whois.nic.uk","No entries found"),
    array("tj.cn","whois.cnnic.net.cn","No entries found"),
    array("tm","whois.nic.tm","No match for"),
    array("tn","whois.ripe.net","No entries found"),
    array("tmp.br","whois.nic.br","No match"), // limit
    array("to","whois.tonic.to","No match"),
    array("trd.br","whois.nic.br","No match"), // limit
    array("tur.br","whois.nic.br","No match"), // limit
    array("tv","whois.nic.tv","MAXCHARS:75"),
    array("tv.br","whois.nic.br","No match"), // limit
    array("tv.tr","whois.nic.tr","No match found"),
    array("tw","whois.twnic.net","NO MATCH TIP"),
    array("tw.cn","whois.cnnic.net.cn","No entries found"),
    array("ua","whois.ripe.net","No entries found"),
    array("uk","whois.thnic.net","No match for"),
    array("uk.com","whois.nomination.net","No match for"),
    array("uk.net","whois.nomination.net","No match for"),
    array("us","whois.nic.us","Not found"),
    array("va","whois.ripe.net","No entries found"),
    array("vet.br","whois.nic.br","No match"), // limit
    array("vg","whois.adamsnames.tc","is not registered"),
    array("wattle.id.au","whois.aunic.net","No Data Found"), // limit
    array("web.tr","whois.nic.tr","No match found"),
    array("ws","whois.worldsite.ws","No match for"),
    array("xj.cn","whois.cnnic.net.cn","No entries found"),
    array("xz.cn","whois.cnnic.net.cn","No entries found"),
    array("yn.cn","whois.cnnic.net.cn","No entries found"),
    array("yu","whois.ripe.net","No entries found"),
    array("za","whois.frd.ac.za","No match for"),
    array("zlg.br","whois.nic.br","No match"), // limit
    array("zj.cn","whois.cnnic.net.cn","No entries found")
    );

    var $idn = array( 224,225,226,227,228,229,230,231,232,233,234,235,240,236,237,238,239,241,242,243,244,245,246,248,254,249,250,251,252,253,255 );

    /**
    * Constructor of class domain
    * @param string $str_domainame the full name of the domain
    * @desc Constructor of class domain
    */
    function domain( $str_domainname ) {
        $this->domain = $str_domainname;
        $this->idna_convert();
    }

    /**
    * Returns the error code
    * 0 - no error
    * 1 - domain not valid
    * 2 - tld not in list
    * 3 - error on connection to whois server
    * @return integer $errnum Error Code
    * @desc Returns the error code
    */
    function errnum() {
        return $this->errnum;
    }

    /**
    * Sets the error code
    *@param integer $errnum Error Code
    *@desc Sets the error code
    */
    function error( $errnum ) {
        $this->errnum = $errnum;
    }

    /**
    * Returns the whois data of the domain
    * @return string $whoisdata Whois data as string
    * @desc Returns the whois data of the domain
    */
    function info() {
        if( $this->is_valid() ) {
            $tldname = $this->get_tld();
            $domainname = $this->get_domain();
            $whois_server = $this->get_whois_server();

            // If tldname have been found
            if( $whois_server !== "" ) {
                $dom = $domainname. "." .$tldname;
                // convert to lower case if not yet done
                $dom = strtolower( $dom );
                // convert domainname
                $convdom = $this->encode( utf8_encode( $dom ) );

                $timeout = 30;
                #$errno = 0;
                $errstr = '';

                if( $tldname == 'co.za' ) {
                    // Getting whois information
                    $fp = @fsockopen( $whois_server, 80, $errno, $errstr, $timeout );
                    if( $fp ) {
                        socket_set_timeout( $fp, $timeout );

                        $cmd  = "GET /cgi-bin/whois.sh?Domain=$dom HTTP/1.0\r\n";
                        $cmd .= "Host: co.za\r\n";
                        $cmd .= "Connection: Keep-Alice\r\n";
                        $cmd .= "User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; .NET CLR 1.0.3705)\r\n";
                        $cmd .= "Referer: http://co.za/whois.shtml\r\n";
                        $cmd .= "Accept: text/plain, text/html\r\n";
                        $cmd .= "\r\n";

                        fputs( $fp, $cmd );

                        $string = "";
                        while( !feof( $fp ) ) {
                            $string.=fgets($fp,128);
                        }

                        $string = strip_tags( $string );
                        $string = strstr( $string, "Search on" );
                    } else {
                        $this->errnum = 3;
                    }
                } elseif( $tldname == 'org.za' ) {
                    // Getting whois information
                    $fp = @fsockopen( $whois_server, 80, $errno, $errstr, $timeout );
                    if( $fp ) {
                        socket_set_timeout( $fp, $timeout );

                        $cmd  = "GET /cgi-bin/rwhois?domain=$dom&format=dump HTTP/1.0\r\n";
                        $cmd .= "Host: co.org\r\n";
                        $cmd .= "Connection: Keep-Alice\r\n";
                        $cmd .= "User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; .NET CLR 1.0.3705)\r\n";
                        $cmd .= "Referer: http://org.za/\r\n";
                        $cmd .= "Accept: text/plain, text/html\r\n";
                        $cmd .= "\r\n";

                        fputs( $fp, $cmd );

                        $string = "";
                        while(!feof($fp)){
                            $string.=fgets($fp,128);
                        }

                        $string = strstr( $string, "search on" );
                        $split = split( "</PRE>", $string );
                        $string = $split[0];
                        $string = strip_tags( $string );
                        $string = trim($string);
                    }
                } else {
                    // Getting whois information
                    $fp = @fsockopen( $whois_server, 43, $errnum, $errstr, $timeout );
                    if( $fp ) {

                        $dom = $domainname. "." .$tldname;

                        // New IDN
                        if( $tldname == "de" ) {
                            fputs( $fp, "-C ISO-8859-1 -T dn $dom\r\n" );
                       }  elseif( $tldname == "nl" ) {
                            fputs( $fp, "IS $convdom\r\n" );
                        } else {
                            fputs( $fp, "$convdom\r\n" );
                        }

                        // Getting string
                        $string = "";

                // Checking whois server for .com and .net
                if($tldname=="com" || $tldname=="net" || $tldname=="edu"){
                    while(!feof($fp)){
                        $line=trim(fgets($fp,128));
                        $string.=$line;
                        $lineArr=split(":",$line);
                        if(strtolower($lineArr[0])=="whois server"){
                            $whois_server=trim($lineArr[1]);
                        }
                    }
                    // Getting whois information
                    $fp = fsockopen($whois_server,43);

                    $dom=$domainname.".".$tldname;
                    fputs($fp, "$convdom\r\n");

                    // Getting string
                    $string="";

                    while(!feof($fp)){
                        $string.=fgets($fp,128);
                    }

                // Checking for other tld's
                }else{

                        while(!feof($fp)){
                            $string.=fgets($fp,128);
                        }
                }
                        fclose( $fp );
                    } else {
                        $this->error(3);
                    }
                }

                return $string;
            }else{
                $this->error(2);
                return "No whois server for this tld in list!";
            }
        }else{
            $this->error(1);
            return "Domainname isn't valid!";
        }
    }

    /**
    * Returns the whois data of the domain in HTML format
    * @return string $whoisdata Whois data as string in HTML
    * @desc Returns the whois data of the domain  in HTML format
    */
    function html_info() {
        return nl2br( $this->info() );
    }

    /**
    * Returns name of the whois server of the tld
    * @return string $server the whois servers hostname
    * @desc Returns name of the whois server of the tld
    */
    function get_whois_server() {
        $found = false;
        $tldname = $this->get_tld();
        for( $i = 0; $i < count( $this->servers ); $i++ ){
            if( $this->servers[$i][0] == $tldname ){
                $server = $this->servers[$i][1];
                #$full_dom = $this->servers[$i][3];
                $found = true;
            }
        }
        return $server;
    }

    /**
    * Returns the tld of the domain without domain name
    * @return string $tldname the tlds name without domain name
    * @desc Returns the tld of the domain without domain name
    */
    function get_tld() {
        // Splitting domainname
        $domain = split( "\.", $this->domain );
        if( count( $domain ) > 2 ) {
            $domainname = $domain[0];
            for( $i = 1; $i < count( $domain ); $i++ ){
                if( $i == 1 ){
                    $tldname = $domain[$i];
                } else {
                    $tldname .= "." .$domain[$i];
                }
            }
        } else {
            $domainname = $domain[0];
            $tldname = $domain[1];
        }
        return $tldname;
    }


    /**
    * Returns all tlds which are supported by the class
    * @return array $tlds all tlds as array
    * @desc Returns all tlds which are supported by the class
    */
    function get_tlds() {
        $tlds="";
        for( $i = 0; $i < count( $this->servers ); $i++ ){
            $tlds[$i] = $this->servers[$i][0];
        }
        return $tlds;
    }

    /**
    * Returns the name of the domain without tld
    * @return string $domain the domains name without tld name
    * @desc Returns the name of the domain without tld
    */
    function get_domain() {
        // Splitting domainname
        $domain = split( "\.", $this->domain );
        return $domain[0];
    }

    /**
    * Returns the full domain
    * @return string $fulldomain
    * @desc Returns the full domain
    */
    function get_fulldomain() {
        return $this->domain;
    }

    /**
    * Returns the string which will be returned by the whois server of the tld if a domain is avalable
    * @return string $notfound  the string which will be returned by the whois server of the tld if a domain is avalable
    * @desc Returns the string which will be returned by the whois server of the tld if a domain is avalable
    */
    function get_notfound_string() {
        $found = false;
        $tldname = $this->get_tld();
        for( $i = 0; $i < count( $this->servers ); $i++ ) {
            if( $this->servers[$i][0] == $tldname ) {
                $notfound = $this->servers[$i][2];
            }
        }
        return $notfound;
    }

    /**
    * Returns if the domain is available for registering
    * @return boolean $is_available Returns 1 if domain is available and 0 if domain isn't available
    * @desc Returns if the domain is available for registering
    */
    function is_available() {
/* Adaptation for Webhosting Component for Joomla! */
        global $params;
        if(defined( '_VALID_MOS' ) && isset($params)) {
            $tldarray=explode(',',$params->get('ignoredtlds'));
            if(in_array($this->get_tld(), $tldarray)) {
                return true;
            } else {
            }
        }
/* End of Adaptation for Webhosting Component for Joomla! */
        $whois_string=$this->info(); // Gets the entire WHOIS query from registrar
        $not_found_string=$this->get_notfound_string(); // Gets 3rd item from array
        $domain=$this->domain; // Gets current domain being queried

        $whois_string2=@ereg_replace("$domain","",$whois_string);

        $whois_string =@preg_replace("/\s+/"," ",$whois_string); //Replace whitespace with single space

        $array=split(":",$not_found_string);

        if($array[0]=="MAXCHARS"){
            if(strlen($whois_string2)<=$array[1]){
                return true;
            }else{
                return false;
            }
        }else{
            if(preg_match("/".$not_found_string."/",$whois_string)){
                return true;
            }else{
                return false;
            }
        }
    }

    /**
    * Returns if the domain name is valid
    * @return boolean $is_valid Returns 1 if domain is valid and 0 if domain isn't valid
    * @desc Returns if the domain name is valid
    */
    function is_valid() {

        $domainArr = split( "\.", $this->domain );

        // If it's a tld with two Strings (like co.uk)
        if( count( $domainArr ) == 3 ){

            $tld = $domainArr[1]. "." .$domainArr[2];
            $found = false;

            for( $i = 0; $i < count( $this->servers ) && $found == false; $i++ ) {
                if( $this->servers[$i][0] == $tld ) {
                    $found = true;
                }
            }
            if( !$found ){
                return false;
            }

        } elseif( count( $domainArr ) > 3 ){
            return false;
        }

        // Creating regular expression for
        if( $this->get_tld() == "de" ) {
	    $idn = '';
            for( $i=0; $i < count( $this->idn ); $i++ ){
                $idn .= chr( $this->idn[$i] );
            }
            $pattern= "^[a-z" .$idn. "0-9\-]{3,}$";
        } else {
            $pattern = "^[a-z0-9\-]{3,}$";
        }

        // Use of converted form here if not tld == de
        $domain = strtolower( $this->get_domain() );
        if( $this->get_tld() == "de" ){
            $check_dom = $domain;
        } else {
            $check_dom = $this->encode( utf8_encode( $domain ) );
        }

        // Use complex checks here, because "--" in domain is valid if converted form AND starting with "xn--"
        if( ereg( $pattern, $check_dom ) && !ereg( "^-|-$", $check_dom ) ) {
            if( !preg_match( "/--/", $check_dom ) ) {
                return true;
            } else {
                if ( preg_match( "/xn--/", $check_dom) ) {
                    return true;
                } else {
                    return false;
                }
            }
        }else{
            return false;
        }
    }
}
?>
